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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 18, Iss. 2 — Apr. 1, 2014
  • pp: 156–161

Study of Ultra-Small Optical Anisotropy Profile of Rubbed Polyimide Film by using Transmission Ellipsometry

Kyung Hun Lyum, Hee Kyu Yoon, Sang Jun Kim, Sung Hyuck An, and Sang Youl Kim  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 18, Issue 2, pp. 156-161 (2014)


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Abstract

Anisotropy profile of a rubbed polyimide film is investigated using both a modified ultra high precision transmission ellipsometer and the analysis software previously developed to determine the optic axis distribution of discotic liquid crystals in the wide view film. The distorted sinusoidal variation of the ellipsometric constants obtained at an oblique angle of incidence indicates that the optic axis varies from <TEX>$14.7^{\circ}$</TEX> to <TEX>$40.6^{\circ}$</TEX> from the sample plane. The magnitude and distribution of anisotropy is expressed in terms of no, ne, and the cosine-shaped tilt angle distribution of the optic axis in a rubbed polyimide film.

© 2014 Optical Society of Korea

OCIS Codes
(120.2040) Instrumentation, measurement, and metrology : Displays
(120.2130) Instrumentation, measurement, and metrology : Ellipsometry and polarimetry
(310.5448) Thin films : Polarization, other optical properties

History
Original Manuscript: November 26, 2013
Revised Manuscript: February 24, 2014
Manuscript Accepted: March 24, 2014
Published: April 25, 2014

Citation
Kyung Hun Lyum, Hee Kyu Yoon, Sang Jun Kim, Sung Hyuck An, and Sang Youl Kim, "Study of Ultra-Small Optical Anisotropy Profile of Rubbed Polyimide Film by using Transmission Ellipsometry," J. Opt. Soc. Korea 18, 156-161 (2014)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-18-2-156


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